CN218717567U

CN218717567U - Intelligent starting device for optimizing small-sized multistage water pumping station

Info

Publication number: CN218717567U
Application number: CN202222963987.XU
Authority: CN
Inventors: 秦瑞; 杨玉
Original assignee: Shaanxi Shizhiguang Information Technology Co ltd
Current assignee: Shaanxi Shizhiguang Information Technology Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-03-24
Anticipated expiration: 2032-11-08

Abstract

The utility model relates to a small-size multistage pumping station technical field specifically indicates an optimize intelligent starting drive of small-size multistage pumping station, including immersible pump, water pump frequency conversion control device, centrifugal pump, motor, liquid level detector and system controller, the immersible pump is located one-level water station retaining pond, the cistern intercommunication of conduit and second grade water station is passed through to the delivery end of immersible pump, the motor is located by the second grade water station, the pump shaft and the motor of centrifugal pump are connected, the water inlet of centrifugal pump inserts in the second grade water station retaining pond through the pipeline, the liquid level detector sets up in the second grade water station pond retaining, water pump frequency conversion control device and immersible pump electric connection, system controller and water pump frequency conversion control device, immersible pump, liquid level detector and motor electric connection replace traditional people to operate work through application information control technique, realize automatic control and accurate control.

Description

Intelligent starting device for optimizing small-sized multistage water pumping station

Technical Field

The utility model relates to a small-size multistage pumping station technical field specifically indicates an optimize intelligent starting drive of small-size multistage pumping station.

Background

A large number of centrifugal pumps exist in irrigation sites of small irrigation areas in rural areas, and due to water requirements and objective reasons of topography, a plurality of multi-stage water pumping stations for pumping water and supplying water with more than two stages exist in mountainous areas.

The acquisition and analysis of the liquid level signal of the water storage tank are realized by applying Digital Signal Processing (DSP), and the water pumping station starting device is controlled by signal transmission technologies such as 4G/LoRa and the like by signal transmission. With the rapid development of computers and information technologies, digital signal processing technology has been widely applied in the fields of communications, industry and the like, and digital signal processing makes use of computers or professional processing equipment to acquire, transform, filter, enhance, compress, identify and the like signals in a digital form, so that signal forms meeting the needs of people are obtained. A programmable logic controller, an electronic device for digital operation designed for industrial production, uses a programmable memory for storing program, executing logic operation, sequential control, timing, counting and arithmetic operation, and controlling various mechanical or production processes by digital or analog input/output.

The existing multistage water pumping station requires that each stage of the water pumping station needs to be provided with fixed personnel to control the water supply facilities of each stage of the water station, if the operation is slightly irregular, the risks of overflowing of a reservoir of the low-stage water station and the like are possibly caused, and unnecessary economic loss is caused. Higher requirements are put on the operation experience of operators, more manpower is consumed, and the operation complexity of the multi-stage water station is also increased.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, this scheme provides an optimize intelligent starting drive of small-size multistage pumping station, through utilizing level sensor and start control ware, and technologies such as LoRA thing networking, combine the application scene of small-size multistage water station, design one set of starting drive that can intelligent control, it is excessive that this method can effectively avoid the last one-level cistern in the multistage pumping station, through the frequency conversion control to one-level water station water supply facility, the water yield that makes one-level water station and the water yield of second grade water station keep balanced, reduce the risk that water supply facility damaged, reduce the manpower when multistage pumping station moves, can the simplified operation simultaneously, improve irrigation facility operating efficiency.

An intelligent starting device for optimizing a small-sized multistage water pumping station is achieved by the following specific technical means: including immersible pump, water pump frequency conversion control device, centrifugal pump, motor, liquid level detector and system controller, the immersible pump is located the one-level water station cistern, the cistern intercommunication of conduit and second grade water station is passed through to the play water end of immersible pump, the motor is located by the second grade water station, the pump shaft and the motor of centrifugal pump are connected, the water inlet of centrifugal pump passes through the pipe insertion in the second grade water station cistern, liquid level detector sets up in the second grade water station cistern, water pump frequency conversion control device and immersible pump electric connection, system controller passes through internet of things with water pump frequency conversion control device, immersible pump, liquid level detector and motor.

The first preferred technical scheme is as follows: the liquid level detector is provided with a high liquid level sensor and a low liquid level sensor in a reservoir of the secondary water station.

The preferred technical scheme is as follows: and a first flowmeter is arranged on a water conveying pipeline between the submersible pump and the reservoir of the secondary water station.

The preferred technical scheme is three: and a water outlet connecting pipeline of the centrifugal pump is provided with a second flowmeter.

The preferable technical scheme is four: the system controller is connected with the first flowmeter and the second flowmeter through the Internet of things.

Adopt above-mentioned structure to make this scheme possess beneficial effect: replace traditional artificial operation work through application information control technique, realize automatic control and accurate control, judge the cistern liquid level through the liquid level detector, utilize the system control ware to send corresponding control signal, some loaded down with trivial details work of having saved artificial operation, the error that has reduced artificial operation causes the excessive risk of cistern, operating personnel's professional requirement has been reduced, the operation condition of the water supply facility of every level water station in accurate judgement multistage pumping station.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is a logical framework diagram of the present solution.

The system comprises a submersible pump 1, a submersible pump 2, a water pump variable frequency control device 3, a centrifugal pump 4, a motor 5, a liquid level detector 6, a system controller 7, a high liquid level sensor 8, a low liquid level sensor 9, a first flow meter 10 and a second flow meter.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Please refer to fig. 1, optimize the intelligent starting drive of small-size multistage pumping station, including immersible pump 1, water pump frequency conversion controlling means 2, centrifugal pump 3, motor 4, liquid level detector 5 and system controller 6, immersible pump 1 is located the first order water station cistern, immersible pump 1's play water end passes through the cistern intercommunication of raceway and second grade water station, motor 4 is located by the second grade water station, the pump shaft and the motor 4 of centrifugal pump 3 are connected, the water inlet of centrifugal pump 3 inserts in the second grade water station cistern through the pipeline, liquid level detector 5 sets up in the second grade water station cistern, water pump frequency conversion controlling means 2 and immersible pump 1 electric connection, system controller 6 and water pump frequency conversion controlling means 2, immersible pump 1, liquid level detector 5 and motor 4 electric connection.

Meanwhile, the liquid level detector 5 is provided with a high liquid level sensor 7 and a low liquid level sensor 8 in the reservoir of the second-level water station, the high liquid level sensor 7 is close to the top of the reservoir located in the second-level water station, and the low liquid level sensor 8 is close to the bottom of the reservoir located in the second-level water station.

And a first flowmeter 9 is arranged on a water conveying pipeline between the submersible pump 1 and the reservoir of the secondary water station, a second flowmeter 10 is arranged on a water outlet connecting pipeline of the centrifugal pump 3, and the system controller 6 is electrically connected with the first flowmeter 9 and the second flowmeter 10.

The system controller 6 is connected with the first flowmeter 9, the second flowmeter 10, the liquid level detector 5, the centrifugal pump 3 and the motor 4 through the Internet of things, the signal transmission part refers to LoRa to establish the Internet of things for the current situation of the complex terrain of the mountain area, and the DTU is matched to transmit data to the cloud.

The specific using process is shown in fig. 2, the system controller 6 is used for sending an instruction to complete multi-stage linkage control of the submersible pumps 1 and the motors 4, the liquid level detector 5 is used for judging control signals of the submersible pumps 1 and the motors 4, when the system controller 6 receives a signal of the low liquid level sensor 8, the system controller 6 sends a signal to a starting device of the submersible pump 1 to start the submersible pump 1 to operate, water is injected into a reservoir of a secondary water station, meanwhile, a closing signal of the motor 4 of the centrifugal pump 3 of the secondary water station is sent, and idling of the motor 4 of the centrifugal pump 3 is avoided; when the liquid level detector 5 receives a signal of the high liquid level sensor 7, the control system controller 6 sends a signal to a motor 4 starting device of the centrifugal pump 3 to start the motor 4 of the centrifugal pump 3 to finish the water pumping working condition of the secondary water station, and in the process, the operation efficiency of motors of the primary water station and the secondary water station is relatively balanced and the water yield is also kept balanced by utilizing the water pump variable frequency control device 2 of the primary water station according to an empirical value; and (4) anti-overflow measures: when the system controller 6 receives a signal of the high liquid level sensor 7, the system controller 6 is controlled to send a signal to the starting device of the submersible pump 1, the submersible pump 1 is closed to operate, and linkage control of the multistage pumping station is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an optimize intelligent starting drive of small-size multistage pumping station which characterized in that: including immersible pump (1), water pump frequency conversion controlling means (2), centrifugal pump (3), motor (4), liquid level detector (5) and system controller (6), immersible pump (1) is located one-level water station reservoir, the cistern intercommunication of conduit and second grade water station is passed through to the play water end of immersible pump (1), motor (4) are located by the second grade water station, the pump shaft and motor (4) of centrifugal pump (3) are connected, the water inlet of centrifugal pump (3) passes through the pipeline and inserts in the second grade water station reservoir, liquid level detector (5) set up in the second grade water station reservoir, water pump frequency conversion controlling means (2) and immersible pump (1) electric connection, system controller (6) are connected with water pump frequency conversion controlling means (2), immersible pump (1), liquid level detector (5) and motor (4).

2. The intelligent starting device for optimizing the small-sized multistage water pumping station according to claim 1, characterized in that: liquid level detector (5) are equipped with high level sensor (7) and low level sensor (8) in the cistern of second grade water station, high level sensor (7) are close to the cistern top that is located the second grade water station, low level sensor (8) are close to the bottom that is located the cistern of second grade water station.

3. The intelligent starting device for optimizing the small-sized multistage water pumping station according to claim 2, characterized in that: and a first flowmeter (9) is arranged on a water conveying pipeline between the submersible pump (1) and the reservoir of the secondary water station.

4. The intelligent starting device for optimizing the small-sized multistage water pumping station according to claim 3, characterized in that: and a water outlet connecting pipeline of the centrifugal pump (3) is provided with a second flowmeter (10).

5. The intelligent starting device for optimizing the small-sized multistage water pumping station as claimed in claim 4, wherein: and the system controller (6) is connected with the first flowmeter (9) and the second flowmeter (10).

6. The intelligent starting device for optimizing the small-sized multistage water pumping station according to claim 5, is characterized in that: the system controller (6) is connected with the first flowmeter (9), the second flowmeter (10), the liquid level detector (5), the centrifugal pump (3) and the motor (4) through the Internet of things.